Make DiversificationNonce a std::array

net/quic/core/quic_connection.cc

Index: net/quic/core/quic_connection.cc
diff --git a/net/quic/core/quic_connection.cc b/net/quic/core/quic_connection.cc
index 3d4a4e14b06e06f6642682798289bf11883032f0..a3765d60248cf3033a8428eaa50f3f30b8ef547a 100644
--- a/net/quic/core/quic_connection.cc
+++ b/net/quic/core/quic_connection.cc
@@ -1962,7 +1962,8 @@ void QuicConnection::SetEncrypter(EncryptionLevel level,
   packet_generator_.SetEncrypter(level, encrypter);
 }
 
-void QuicConnection::SetDiversificationNonce(const DiversificationNonce nonce) {
+void QuicConnection::SetDiversificationNonce(
+    const DiversificationNonce& nonce) {
   DCHECK_EQ(Perspective::IS_SERVER, perspective_);
   packet_generator_.SetDiversificationNonce(nonce);
 }